Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Turn Signal and Hazard Lamps
Refer to Wiring Diagrams Cell 90 , Turn/Stop/Hazard Lamps for schematic
and connector information.
Special Tool(s)
73 III Automotive Meter
105-R0057 or equivalent
Inspection and Verification
1. Verify the customer concern.
2. Visually ins ...
Generator and Regulator
General Specifications
Torque Specifications
Generator
The charging system consists of the:
generator (GEN)
internal voltage regulator
The generator has an internal voltage regulator that is not installed
separately. The generator and
v ...
Fluid Pan, Gasket and Filter
Material
Item
Specification
MERCON V Automatic
Transmission Fluid
XT-5-QM, XT-5-DM
MERCON V
1. Normal maintenance requires periodic automatic transmission fluid changes.
If a major repair,
such as a clutch, band, bearing, etc., is requir ...
